Fiber, slag
Slag fiber
Slag wool
Al 2%, Ca 5.4%, Mg 1%, O 21%, Si 5.4%,

estimated elemental composition and empirical formula weight 
Commercial product likely to contain propriety (non-disclosed) ingredients and additives.

Gram formula weight (molecular mass) = 782.33
Solubility in organics = insoluble

Made from blast furnace and other slags.

Slag fiber
is defined with respect to the entities below:
The entities below are defined with respect to:
Slag fiber
Glass (generic)

chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis